baber/WOPTO huggingface dataset:
Patent JP-2004274148-A (JP)
Title: Amplitude limiter circuit and amplifier circuit using the same
Inventor: KAWAKAMI MASAYUKI
IPC: H03G11/02
Filed: 2003-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an amplitude limiter circuit which stably operates to limit the amplitude in a high frequency range when being used in combination with an amplifier circuit, etc. composed of a MOS device inferior in the frequency response characteristics, etc. and also suppresses the distortion of its output waveform due to the operation thereof.  <P>SOLUTION: The amplitude limiter circuit comprises a MOS transistor Q21 connected in parallel to a load resistor RL21, and a diode-connection MOS transistor Q22 connected in parallel to a load resistor RL22. It feeds the gate terminal of the MOS transistor Q21 with a specified bias voltage VB1, and the source terminal of the MOS transistor Q22 with a specified bias voltage VB2. There is not deterioration of the isolation between the signal output terminal 3 and the terminal 4 of a differential amplifier circuit. When being used in combination with an amplifier circuit, etc. composed of a MOS device inferior in the frequency response characteristics, large-signal characteristics, etc., the circuit stably operates to limit the amplitude in a high frequency range and suppresses the distortion of the output waveform due to the amplitude limiting operation.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003309577-A (JP)
Title: Communication method, transmission method, reception method and communication apparatus
Inventor: BARDINI RICHARD A
IPC: H04L12/64
Filed: 2003-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To transmit isochronous data packets in non-real time.  <P>SOLUTION: A transmission plug of transmitting equipment is configured to transmit isochronous data packets in non-real time and a reception plug of receiving equipment is configured to receive isochronous data packets in non-real time. Data streams are packetized into the isochronous data packets configured for transmission in non-real time and generate streams of non-real time data packets to transfer them from the transmission plug of the transmitting equipment to the reception plug of the receiving equipment.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004268688-A (JP)
Title: Operation diagnostic device
Inventor: MATSUO KOJI
IPC: B60R21/16
Filed: 2003-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an operation diagnostic device having high diagnostic accuracy with almost no time lag of sampling.  <P>SOLUTION: This operation diagnostic device 1 is provided with: an A/D converter 2 for reference inputted with a reference signal VO; an A/D converter 3 for evaluation separated from the A/D converter 2 for reference and inputted with an evaluation signal V1; and a diagnostic circuit 4 electrically connected to the A/D converter 2 for reference and the A/D converter 3 for evaluation, sampling the reference signal VO and the evaluation signal V1 at almost the same time, and performing an operation diagnosis by comparing the reference signal VO and the evaluation signal V1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004268401-A (JP)
Title: Mold for molding microlens array and method for manufacturing microlens array substrate
Inventor: FUJITA NOBORU
IPC: B29C39/10
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a mold for molding a microlens array capable of preventing not only the molding failure of the microlens array but also the lowering of a yield, and a method for manufacturing a microlens array substrate.  <P>SOLUTION: Wall-like parts 13 are formed so as to almost surround the peripheries of microlens array regions 12 so as to be at least partially notched to be formed discontinuously. In particular, one surface part of a flat part 11 is formed between points Pmax maximally protruded on one side of the thickness direction of microlens array forming recessed parts 12 and points Pmin maximally depressed on the other side of the thickness direction of them. By this constitution, air bubbles and an excess resin are escaped from the notched parts 18 of the wall-like parts 13.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004271431-A (JP)
Title: Method and instrument for testing lateral pressure of optical fiber
Inventor: WATANABE HIROTO
IPC: G01M11/00
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for testing lateral pressure of an optical fiber capable of accurately measuring light transmission losses in periodic macro bents of the optical fiber, and an instrument therefor.  <P>SOLUTION: In this lateral pressure measuring method for the optical fiber for measuring fluctuation of the light transmission loss by connecting a light source to one end part of the optical fiber, by connecting a light transmission loss measuring instrument to the other end part thereof, and by clamping the optical fiber to apply a lateral pressure load, the light transmission loss is applied by structures 16A, 17A of two side pressure plates 16, 17 having the periodically varied structures 16A, 17A, under the condition where phases thereof are shifted.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004272166-A (JP)
Title: Image display apparatus and game machine
Inventor: IOKI SADAO
IPC: G02B27/22
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image display apparatus in which a bright image is obtained even when the viewing position of an observer vertically moves.  <P>SOLUTION: The display apparatus is equipped with: a liquid crystal display panel 804 which can transmit light irradiating the panel from the back; a light source 801 which irradiates the liquid crystal panel 804 with first light of specified polarized light and second light having the polarization axis orthogonal to the first light; and a fringe filter 802 which is disposed between the liquid crystal display panel 804 and the light source 801 and has a first region transmitting the first light and a second region transmitting the second light, both regions repeatedly arranged in one direction. The light source 801 contains a light emitting part 810 emitting red, green and blue light and is controlled to sequentially emit the light of red, green and blue colors from the light emitting part 810. The liquid crystal display panel 804 sequentially displays the images corresponding to the respective colors by responding to the timing of emission of the respective colors by the light emitting part 810.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238599-A (JP)
Title: Expanded polystyrene melting/volume-reducing solvent, plastic liquefaction material and fuel both containing the same, and expanded polystyrene melting/volume-reducing apparatus
Inventor: IJIRI MASAHIKO
IPC: C10L1/04
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To contrive an optimum and economical method and apparatus for use as an expanded polystyrene thermolysis/liquefaction system.  <P>SOLUTION: An oil produced by thermolysis/liquefaction of expanded polystyrene is used as the volume-reducing solvent, and a small apparatus or a large apparatus is used for fulfilling the given purpose. The small volume-reducing apparatus has an agitator-provided supply tank whereinto expanded polystyrene is introduced, and also has an agitation tank, which is a commercially available drum loaded with a solvent-generating oil, wherein the expanded polystyrene is agitated and melted while it is lowered under the weight of the supply tank itself or by a load ring that travels downward. The large volume-reducing apparatus has an agitator-provided melting tank whereinto expanded polystyrene is introduced, and is agitated and melted therein while it is lowered by a load ring. The solution of the expanded polystyrene and the oil produced in these volume-reducing apparatuses is used, as it is, as a liquefaction material or as a liquid fuel.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004282515-A (JP)
Title: Surface acoustic wave element
Inventor: KAKIO SHOJI
IPC: H01L41/18
Filed: 2003-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface acoustic wave element capable of obtaining an electromechanical coupling coefficient K<SP>2</SP>and making a time delay temperature coefficient TCD to be zero.  <P>SOLUTION: At least one surface acoustic wave element 11 with effectively high density is provided on a cut surface of a langasite crystal substrate 10, wherein cut angles are within the ranges of 0 to 22° and 90 to 180° in arrangement where a love wave type SH wave of 85 to 95° propagation method is generated, and the normalized film thickness of a surface acoustic wave electrode 11 is defined as ≤0.3.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004289233-A (JP)
Title: Pulse amplitude modulator and class d amplifier provided with the pulse amplitude modulator
Inventor: WATANABE SHINICHI
IPC: H03F3/217
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To improve nonlinearity of an output signal caused at a comparison circuit and an output stage or the like at a post-stage of the comparison circuit by improving a distortion factor at a large amplitude output and a small amplitude output.  <P>SOLUTION: A comparison waveform generating circuit 2C sums a plurality of pulse currents from a pulse current circuit 2B to generate a comparison waveform and can apply waveform control to the comparison waveform by individually controlling the value of the pulse current, summating pattern, and period or the like. The controlled comparison waveform can continuously increase a gain at a small amplitude signal and decrease a gain at a large amplitude signal to improve the distortion factor.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004284429-A (JP)
Title: Vehicle sheet
Inventor: YAMANE MASAAKI
IPC: B60N2/36
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle seat in which a seat body can be inverted forward and stored, and a baggage room backward of the seat can be easily and simply expanded while the crew can be seated on the seat body.  <P>SOLUTION: The vehicle seat has a first locking device 5 to releasably lock a lower end of a rear leg 4 to a vehicle floor F, and a seat cushion 1 is turned forward around a lower end of a front leg 3 and erected in an unlocked state. The lower end of the rear leg 4 can be locked to the vehicle floor F by the first locking device 5 at two positions separate from each other in the longitudinal direction, and the front leg 3 is turnable in the longitudinal direction within a predetermined range with respect to the seat cushion 1. A power spring 8 to turn and urge the front leg 3 backwardly to the vehicle floor is provided.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004285412-A (JP)
Title: Method and apparatus for manufacturing optically functional film
Inventor: SAKAKURA OSAMU
IPC: G02B1/11
Filed: 2003-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optically functional film having highly uniform film thickness and reflectance in a flow direction of the film.  <P>SOLUTION: The method for manufacturing the optically functional film comprises the steps of: forming at least one layer of the optically functional film on a continuously traveling and optically transparent flexible substrate with a vacuum film-forming method; irradiating the optically functional film with X-rays emitted from an X-ray generating device, and detecting the fluorescent X-rays or the reflected X-rays secondarily generated from the optically functional film; irradiating the optically functional film with a light generated from a visible light-generating device, and detecting the visible light reflected from the optically functional film, to continuously measure the visibility reflectance and the reflected color of the optically functional film; and calculating a difference between the measured results and the desired values, and adjusting a travel speed of the substrate, which is a manufacturing condition for the optically functional film.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004289519-A (JP)
Title: Portable electronic device
Inventor: SAKAMOTO YURIKO
IPC: H01Q1/40
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a portable electronic device which has an antenna, a housing for covering it and a dielectric block mounted on the surface of the housing without changing the distance between the antenna and peripheral circuitry for broadening the frequency band of the antenna, and by which frequency characteristics of the antenna is made unchanged even when the housing is covered with a dielectric cover.  <P>SOLUTION: The portable electronic device is composed of: a patch antenna which is formed by sandwiching dielectric ceramic between a plate and a radiating element; the housing which covers the patch antenna and is formed of a different type of dielectric; the dielectric block which is arranged on the surface of the housing opposite to the plate of the patch antenna; and the cover for covering the surface of a dielectric which is arranged opposite to the surface of the dielectric on the side of the plate of the patch antenna.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004286653-A (JP)
Title: System for displaying reliability degree information
Inventor: KUME AKIHIRO
IPC: G01C21/26
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To enable easy grasping of the reliability about the POI data by displaying the reliability information on the POI data, resulting in effective utilization of the POI data.  <P>SOLUTION: An information display system has a POI storing data unit for storing the POI data, a reliability information storage unit for storing the reliability information on POI data, a reliability information processing unit for processing to make the POI data related to the reliability information to display the result, and the display device for displaying the POI data with the reliability information.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004285438-A (JP)
Title: Continuous plating unit and apparatus for metallic foil and potentiometric method
Inventor: KOMODA YASUO
IPC: C25D7/06
Filed: 2003-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plating apparatus which can produce a metallic foil with little variation in quality by highly precisely controlling the coating weight deposited on the metallic foil represented by a copper foil used for a printed wiring board.  <P>SOLUTION: A continuous plating unit for the metallic foil continuously forms a plating layer through cathodic polarization of the metallic foil itself and comprises a plating tank which stores a plating solution, a metallic foil-moving means wherein a plurality of rolls is combined to transfer the metallic foil through the plating solution, an electrolytic anode sheet placed parallel to the surface of the metallic foil transferred through the plating solution and a current-feeding means. The electrolytic anode sheet is equipped with at least one through-hole serving as a potentiometric point, and a solution-sampling tube which samples the solution near the plating layer on the metallic foil and sends it out from the plating tank is attached to the through-hole. The unit is used to perform potentiometry outside the plating tank and operate plating under potentiometric control.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004288078-A (JP)
Title: Disk array system using fixed length disk
Inventor: MANNEN AKIHIRO
IPC: G06F11/10
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a conventional guarantee code cannot be attached if a device with fixed sector length is used in a storage area of a disk array.  <P>SOLUTION: A plurality of guarantee codes are collectively managed by sector length, and association with data and read/write control from/to the device are performed by hardware to thereby realize reliability equivalent to the conventional reliability.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004287320-A (JP)
Title: Method for manufacturing optical element with holder
Inventor: KIKUCHI KIMIHIRO
IPC: C03B11/08
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing an accurate optical element with a holder by which the volume error of the raw material of an optical element can be corrected and also errors in the shape of the holder are reduced.  <P>SOLUTION: The method for manufacturing the optical element with the holder 1 includes the stage of arranging holder material 10a which is cylindrical and on whose inner peripheral surface a void part is formed in a press-molding die 80, providing the optical element material 20a on the inside of the material 10a, heating the material 10a and the material 20a to their softening temperature, and press-molding the material 10a and the material 20a heated to the softening temperature respectively, thereby molding the cylindrical holder 10 from the material 10a and also molding the optical element 20 from the material 20a, whereby the optical element 20 is integrated on the inside of the holder 10 and also a part of the optical element 20 is made to project outward from the peripheral part 21 by the pressure of press-molding, and the projecting part 21a is retained in the void part 14 of the holder.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004287326-A (JP)
Title: Photosensitive resin composition
Inventor: TAKAHASHI SHUICHI
IPC: H01L21/027
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photosensitive resin composition containing an alkali-soluble resin and a photosensitive agent for obtaining a thin film which keeps flatness of the film surface after high temperature baking and which has a favorable transmittance, the composition having stability with time, and in particular, suitable for formation of an interlayer insulating film, a flattening film or the like, and to provide a flat panel display and a semiconductor element using the composition.  <P>SOLUTION: The photosensitive resin composition contains an alkali-soluble resin and a photosensitive agent having a quinone diazide group. The alkali-soluble resin consists of an acrylic resin synthesized by using an azo-based polymerization initiator having no cyano group as a polymerization initiator, or by using an azo-based polymerization initiator having no cyano group and an azo-based polymerization initiator having a cyano group. The resin composition further contains a phenolic compound expressed by general formula (I) and a hardening agent having an epoxy group.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004290277-A (JP)
Title: Three dimensional polyhedral displayer
Inventor: KOMAMURA TAKEO
IPC: A47F5/025
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that there is no displayer wherein a plurality of frames are displayed at an display frame in the shape of a three dimensional polyhedron, which is easy to assemble and disassemble, and to/from which the matter to be displayed is attached and detached easily since a means for displaying a plurality of matters to be displayed is used for exhibiting them flatly.  <P>SOLUTION: The displayer is provided with: a vertical frame body whose two surfaces are extended; a horizontal frame body for fixing one surface of the vertical frame body into a rectangular plane; frame fittings to be fixed to the vertical frame body; and the frames to be fixed to the frame fittings. The frame consists of four long frame members and four corner connecting members to which the frame members are engaged so as to turn the frame members around a longitudinal direction axis. The frame members are divided into a first part and a second part with an inner partition. At the second part, the corner connecting member is fixed, and the vertical frame body is fixed with the horizontal frame member to form a displaying frame body. The fixing tool side surface of the frame fixing tool is put through the second part to engage so as to rotate the frame members around a longitudinal direction axis.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004295260-A (JP)
Title: Distribution setting supporting method for specific information and method for providing specific information
Inventor: TAMAKAI SHINICHI
IPC: G06F21/31
Filed: 2003-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To allow a user to acquire his or her desired information specific to the user by a simple operation.  <P>SOLUTION: A server 16 acquires terminal ID specific and unique to terminal equipment in response to access from the terminal equipment 12, and transmits it to the terminal equipment in order to store it in the terminal equipment, and also temporarily stores it in the server. While continuously performing session, the server 16 temporarily stores the history of the browsing action of a user in the storage device by associating it with the terminal ID. In response to a registration request from the terminal equipment, the server 16 registers data to be tracked being a series of histories temporarily stored so as to be associated with the terminal ID, mail address, terminal ID and unique mail distribution ID in a user information table 38 by associating them with each other.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004293841-A (JP)
Title: Cold storage agent case
Inventor: SHIRAI AKIHIRO
IPC: F25D3/00
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cold storage agent case capable of easily removing burr generated along a parting line in a state that the burr remnant part is undistinguished after cutting the burr, and improving the bonding strength of the parting line part.  <P>SOLUTION: In this cold storage agent case 10 molded by the blow molding generating the burr along the parting line 16, a recessed groove 19 is formed on an outer face of the cold storage agent case along the parting line 16, and the parting line 16 is positioned in the recessed groove 19. The recessed groove 19 is preferably formed along the entire circumference of the parting line. Further a height of the burr remnant part 21 formed on the parting line 16 in the recessed groove after cutting the burr, is preferably lower than a height of the recessed groove 19.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004293367-A (JP)
Title: Electromagnetic fuel injection valve
Inventor: SATO KENICHI
IPC: F02M61/16
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive electromagnetic fuel injection valve capable of providing high abrasion resistance without forming a special hard layer on slide faces of a movable core and a magnetic cylinder element.  <P>SOLUTION: This electromagnetic fuel injection valve comprises a valve housing 2 sequentially coupling a valve seat member 3, a magnetic cylinder element 4 and a non-magnetic cylinder element 6; a stationary core 5 communicated with the magnetic cylinder element 4; a valve element 18 accommodated in the valve seat member 3; and a movable core 12 connected with the valve element 18 and accommodated in the magnetic cylinder element 4 and the non-magnetic cylinder element 6. The movable core 12 is slidably journaled by the magnetic cylinder element 4, and a vertical hole 19 is formed to the movable core 12 as a fuel passage. The magnetic cylinder element 4 and the movable core 12 are made of a ferrite base high hardness magnetic material, and a plurality of horizontal holes 20b opened to slide faces of the magnetic cylinder element 4 and the movable core 12 are provided to the movable core 12 perpendicular to the vertical hole 19.  <P>COPYRIGHT: (C)2005,JPO&NCIPI